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June 27th 15, 04:51 PM
posted to sci.electronics.design,rec.radio.amateur.antenna
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Antenna Amplifier Noise Figure
On Sat, 27 Jun 2015 15:49:12 +0100, Jeff Gave us:
To me, NF refers to "noise floor". Lets see him go below that. GPS received signals are among the lowest "power" signals we currently grab. They sit just above the noise floor. It might to you, but in this context it means either Noise Factor or Noise Figure. Of course you can go below the Noise Floor, and in some circumstances and modes the signal is receivable and decodable. 30dB below the noise floor.... http://www.bentongue.com/xtalset/1nlxtlsd/1nlxtlsd.html The answer to all your needs. Less is more. That Chef's Hat conglomeration is overkill. |
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